Forms 5b, 5c, 5d. Verb 'to be'. Pronouns. Plurals

For practicing TO BE:

https://www.englisch-hilfen.de/en/exercises/tenses/be3.htm;

http://www.eclecticenglish.com/grammar/PresentSimpleToBe1A.html;

https://www.englishexercises.org/makeagame/viewgame.asp?id=2813;

https://www.myenglishpages.com/english/grammar-exercise-be-present.php;

For practicing PRONOUNS:

https://www.englisch-hilfen.de/en/exercises/pronouns/personal_pronouns.htm;

https://www.englisch-hilfen.de/en/exercises/pronouns/mix.htm;

https://www.ego4u.com/en/cram-up/grammar/pronouns/exercises?02;

https://www.ego4u.com/en/cram-up/grammar/pronouns/exercises?03;

For practicing PLURALS:

https://www.englisch-hilfen.de/en/exercises/nouns_articles/plural6.htm;

https://www.englisch-hilfen.de/en/exercises/nouns_articles/plural7.htm;

https://www.englishexercises.org/makeagame/viewgame.asp?id=723;

For practicing QUESTION WORDS:

https://www.englisch-hilfen.de/en/exercises/questions/question_words2.htm;

https://agendaweb.org/exercises/grammar/questions/what-who-when-where-write;

https://agendaweb.org/exercises/grammar/questions/what-who-when-where;

https://agendaweb.org/exercises/grammar/questions/what-where-when-who.